Catalog > Consumer Electronics > Kits > Various Kits 2 x 50W Digital Amplifier Board 2 x 50W Digital Amplifier Board BMT 2X50W XH-M189 AUDIO AMP BRD TPA3116 D2 50W + 50W DUAL CHANNEL STEREO DIGITAL AMPLIFIER BOARD DC 5V-24V (XH-M189). 20HZ-20HZ. WITH REVERSE POLARITY AND SPEAKER OUTPUT PROTECTION 208.18 ZAR inc for 1 Each 11 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Audio Type: TPA3116D2 Input voltage: DC 5-24V Operating frequency: 20Hz-20Hz Output type: two-channel; stereo Machine size: 84 * 51 * 29mm (without potentiometer) Features: Full range of protection system, with power reverse polarity protection, speaker output short circuit protection, but also with switch machine anti-shock design, switch machine without ""POP"" sound Precautions: Power supply is best 24V, do not exceed this voltage! Do not short circuit or short circuit to audio output Before power-on, please double-check to ensure that the wiring is correct before power